Home / 72,184,516.54-99,588,460.26-47,418,039.16

Finding the Fourth Proportional to 72,184,516.54, 99,588,460.26 and 47,418,039.16

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Solution

The fourth proportional to 72,184,516.54, 99,588,460.26 and 47,418,039.16 is: 65,419,701.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,184,516.54 : 99,588,460.26 = 47,418,039.16 : x
  2. Step 2: Convert to fraction form
    72,184,516.54/99,588,460.26 = 47,418,039.16/x
  3. Step 3: Cross multiply
    72,184,516.54x = 99,588,460.26 × 47,418,039.16
  4. Step 4: Simplify right side
    72,184,516.54x = 4,722,289,508,421,630
  5. Step 5: Solve for x
    x = 4,722,289,508,421,630/72,184,516.54
  6. Step 6: Final answer
    x = 65,419,701.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.